package com.bs.auth.config;

import org.springframework.security.authentication.AbstractAuthenticationToken;
import org.springframework.security.authentication.AccountStatusException;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.core.Authentication;
import org.springframework.security.oauth2.common.exceptions.InvalidGrantException;
import org.springframework.security.oauth2.provider.*;
import org.springframework.security.oauth2.provider.token.AbstractTokenGranter;
import org.springframework.security.oauth2.provider.token.AuthorizationServerTokenServices;

import javax.annotation.Resource;
import java.io.Serializable;
import java.util.Map;

/**
 * @author bingshao
 * @date 2022/9/13
 **/
public class SmsTokenGranter extends AbstractTokenGranter implements Serializable {

    private static final long serialVersionUID = -5700526092268849704L;

    private static final String GRANT_TYPE = "sms";


//    private ClientDetailsService clientDetailsService;

    @Resource
    private AuthenticationManager authenticationManager;

    public SmsTokenGranter(AuthenticationManager authenticationManager, AuthorizationServerTokenServices tokenServices, ClientDetailsService clientDetailsService, OAuth2RequestFactory requestFactory) {
        this(authenticationManager, tokenServices, clientDetailsService, requestFactory, GRANT_TYPE);
    }

    protected SmsTokenGranter(AuthenticationManager authenticationManager, AuthorizationServerTokenServices tokenServices, ClientDetailsService clientDetailsService, OAuth2RequestFactory requestFactory, String grantType) {
        super(tokenServices, clientDetailsService, requestFactory, grantType);
        this.authenticationManager = authenticationManager;
//        this.clientDetailsService = clientDetailsService;
    }

    @Override
    protected OAuth2Authentication getOAuth2Authentication(ClientDetails client, TokenRequest tokenRequest) {
        Map<String, String> parameters = tokenRequest.getRequestParameters();
        String phone = parameters.get("phone");
        String code = parameters.get("code");
        Authentication userAuth = new SmsAuthenticationToken(phone, code);
        ((AbstractAuthenticationToken) userAuth).setDetails(parameters);
        try {
            userAuth = authenticationManager.authenticate(userAuth);
        } catch (AccountStatusException ase) {
            //covers expired, locked, disabled cases (mentioned in section 5.2, draft 31)
            throw new InvalidGrantException(ase.getMessage());
        } catch (BadCredentialsException e) {
            // If the phone/code are wrong the spec says we should send 400/invalid grant
            throw new InvalidGrantException(e.getMessage());
        }
        if (userAuth == null || !userAuth.isAuthenticated()) {
            throw new InvalidGrantException("Could not authenticate phone: " + phone);
        }

        OAuth2Request storedOAuth2Request = getRequestFactory().createOAuth2Request(client, tokenRequest);
        return new OAuth2Authentication(storedOAuth2Request, userAuth);
    }

//    @Override
//    public OAuth2AccessToken grant(String grantType, TokenRequest tokenRequest) {
//        String clientId = tokenRequest.getClientId();
//        ClientDetails client = clientDetailsService.loadClientByClientId(clientId);
//        return getAccessToken(client, tokenRequest);
//    }

}
